68245650 has 144 divisors (see below), whose sum is σ = 212048928. Its totient is φ = 15552000.

The previous prime is 68245643. The next prime is 68245673. The reversal of 68245650 is 5654286.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83745 + ... + 84555.

It is an arithmetic number, because the mean of its divisors is an integer number (1472562).

Almost surely, 2^68245650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68245650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106024464).

68245650 is an abundant number, since it is smaller than the sum of its proper divisors (143803278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68245650 is a wasteful number, since it uses less digits than its factorization.

68245650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 68245650 is about 8261.0925427573. The cubic root of 68245650 is about 408.6564188315.

The spelling of 68245650 in words is "sixty-eight million, two hundred forty-five thousand, six hundred fifty".